From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 42678] [3.3-rc1] radeon stuck in kernel after lockup
Date: Wed, 1 May 2013 17:50:14 +0000 (UTC)
Message-ID: <20130501175014.AAC3F11FF43@bugzilla.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=42678
Laurent Bonnaud changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |Laurent.Bonnaud@inpg.fr
--- Comment #21 from Laurent Bonnaud 2013-05-01 17:50:14 ---
This bug is still present in Ubuntu raring with this kernel package:
Package: linux-image-3.8.0-19-generic
Version: 3.8.0-19.29
which is based on kernel 3.8.8.
The GPU did hang a few times and the kernel was able to recover. But later the
kernel was caught in an infinite loop of GPU hangs and I was not able to take
back the control of the X server and therefore I lost unsaved work in my X
session. Between 2 hangs I was able to switch to a VT and run dmesg, so here
is the end of the kernel log:
[73670.536108] radeon 0000:01:00.0: GPU lockup CP stall for more than 10168msec
[73670.536200] radeon 0000:01:00.0: GPU lockup (waiting for 0x00000000000c7f78)
[73670.536203] radeon 0000:01:00.0: failed to get a new IB (-35)
[73670.536255] [drm:radeon_cs_ib_chunk] *ERROR* Failed to get ib !
[73670.537377] radeon 0000:01:00.0: Saved 1017 dwords of commands on ring 0.
[73670.537380] radeon 0000:01:00.0: GPU softreset: 0x00000003
[73670.691016] radeon 0000:01:00.0: R_008010_GRBM_STATUS = 0xA27034E0
[73670.691018] radeon 0000:01:00.0: R_008014_GRBM_STATUS2 = 0x00000103
[73670.691021] radeon 0000:01:00.0: R_000E50_SRBM_STATUS = 0x200200C0
[73670.691023] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x01000000
[73670.691025] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00001002
[73670.691027] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00028C86
[73670.691030] radeon 0000:01:00.0: R_008680_CP_STAT = 0x808386C5
[73670.691032] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE
[73670.705914] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001
[73670.720796] radeon 0000:01:00.0: R_008010_GRBM_STATUS = 0xA0003030
[73670.720799] radeon 0000:01:00.0: R_008014_GRBM_STATUS2 = 0x00000003
[73670.720801] radeon 0000:01:00.0: R_000E50_SRBM_STATUS = 0x200280C0
[73670.720803] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000
[73670.720805] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000
[73670.720808] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000
[73670.720810] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80100000
[73670.731190] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[73670.748806] [drm] probing gen 2 caps for device 8086:2a41 = 1/0
[73670.920570] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
[73670.920609] radeon 0000:01:00.0: WB enabled
[73670.920612] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000010000c00 and cpu addr 0xffff8801347e0c00
[73670.920614] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000010000c0c and cpu addr 0xffff8801347e0c0c
[73671.118349] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed
(scratch(0x8504)=0xCAFEDEAD)
[73671.118480] [drm:r600_resume] *ERROR* r600 startup failed on resume
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